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Soil contamination is a component that contributes to the increase of environmental pollution, as soil is the key element that underpins food production for household consumption. The transfer of contaminants from soil to plants is one of the input mechanisms of human exposure to metals through food chain. Mathematical models are documented as effective tools, that could help observe pollutants impact on agricultural products (vegetables and fruits) as well as on environmental systems, to evaluate different scenar...

In the recent decades, environmental pollution has been one of the major interesting research subjects where pollution might have a direct influence on public health and possibly cause serious and irretrievable damage to the Earth. The aim was to determine the levels of the heavy metals, Cu, Zn, Cr, Cd, Pb and Ni, in soil of urban areas in the city of Brno (Czech Republic). Soil analysis was performed on urban soil from the same layer, where the soil samples come from the depth of 20 cm. These samples were taken f...

This paper presents the results of column tests conducted to investigate the potential use of silica spongolite as a reactive material for the treatment of groundwater impacted by stormwater containing toxic heavy metals (Cd, Cu, Ni, Pb and Zn). Such research material was selected due to its widespread use as an aggregate in road construction. Furthermore, silica spongolite was compared with activated carbon, which is commonly used in permeable reactive barrier (PRB) technology. The column experiments were carried...

Near trunk road plantations in several regions of Russia's widespread coniferous trees, particularly pine (Pinus sylvestris L) and spruce (Picea pungens Engelm). Currently there is a trend of increasing plantations of pine (Pinus sylvestris L) near trunk road, this is due to the ecological and biological characteristics of pine (Pinus sylvestris L), particularly low demands on soil fertility, heat and cold resistance, good survival of seedlings. The creation of plantations of spruce (Picea pungens Engelm) in the a...

We studied the distribution of heavy metals, benzo(a)pyrene (BaP) and oil products in soils of industrial areas of the cities of Rostov-on-Don, Volgograd and Taganrog. By comparison with the regional background, geochemical associations, characteristic of various types of industrial landscapes and determined by the specifics of production, were identified. It was established that main pollutants of soils of Rostov-on-Don and Taganrog are zinc, lead, copper and oil products; concentrations of mercury, arsenic, nick...

Mining and processing activities are accompanied by air pollution. The paper assesses air and soil quality on the territory of copper-sulphide ores mining and processing plant in 2010?2013. The mining enterprise consists of a quarry, reclamation plant with a tailing pond, experimental-production facility for heap leaching and an underground mine under construction. The deposit has six ore shoots. Three of them are now excavated by surface mining, the underground mining techniques will be used for the others. Proce...

The main objectives of the present study were: (1) to evaluate the impact of acid drainage, from the former Valea Vinului mine on the quality of Valea B?ilor creek and (2) to propose a treating method for the acid mine waters generated by the investigated mine. The waste waters sampled from the former Valea Vinului mine proved to be highly acidic having a pH between 3.1 and 5.2. The monthly fluctuation showed that during March 2016 and April 2016/2017 the waste waters were highly acidic. The acidic mine waters had...

Wheat resistance to heavy metals (HM) is an urgent ecological problem and it can limit crop production around the many countries in the world. HM is considered as an environmental factor of the anthropogenous nature which influences growth and development of wheat. New approaches are focusing on using of a genetic pool of wild-growing types of crops as an introgressive genetic material for increasing wheat adaptability to HM. In the model, laboratory tests of HM influence on wheat growth used the grain yield of 20...

Oil spills are the main cause of pollution with crude oil. Contamination with crude oil affects the environment (soil underground and surfaces, groundwater and water surface, air quality), plants, and health of animals and humans. Soil pollution with crude oil implies contamination with Polychlorinated Biphenyls, Polycyclic Aromatic Hydrocarbons, Monocyclic Aromatic Hydrocarbons and different heavy metals. The contaminated soil investigated in the framework of the present work was collected from a bioremediation p...

In the present study it was evaluated the capacity of molasses for removing seven metals (Fe, Zn, Cu, Cd, Cr, Pb, and Ni) from three types of waste: galvanic sludge (pH = 7.1 ? 7.8), mineral residue from a lead metallurgical plant (pH = 5.0 ? 5.8) from Baia Mare (Romania), and tailing pond residue from Aurul - Baia Mare (pH = 2.1 ? 3.0). Several leaching tests were conducted in the laboratory in order to investigate the influence of molasses concentrations (0 %, 1%, 5%, 10%) on heavy metal leaching. It was observe...

The purpose of this work was to study specific features of the accumulation and distribution of the total content and mobile forms of heavy metals (HM) in soils and plants of the estuarine ecosystems of the Don river and the Taganrog bay coast (Russian Federation). The soil cover is represented by following soils types: Fluvisols, Haplic Chernozem, Arenosol, Solonchak. The following higher plants were sampled: Phragmites australis Cav., Typha angustifolia L., Carex riparia Curtis, Cichorium intybus L., Bolboschoen...

The rivers of the Northern part of European territory of Russia (ETR) contain large amounts of organic matter. This is due to natural features of the area (short cool summer, high wetlands, large areas of forests and features of soil formation), and to specificity of the anthropogenic impact. One of the largest rivers of the Northern ETR is the Northern Dvina River, flowing into the Dvina Bay of the White Sea. A general study of the organic carbon content in the bottom sediment of the Northern Dvina River mouth ar...

Currently applied groundwater protection against penetration of pollutants from landfills are membranes that isolate the layer of stored waste from the substrate. As the material most commonly used are materials such as loam and natural clay or composite materials, such as plastic films or asphalt. Also there are known methods of using waste materials such as fly ash, as well as silicate-ash composites for the manufacture of seals in civil and hydraulic engineering. Literature also contains descriptions of the res...

The water column of the Sea of Azov is undergoing significant transformation of Oceanographic characteristics (temperature, salinity, oxygen content). They depend on the seasons and weather situation. In the summer, despite wind activity, observed a classic for the Sea of Azov, the distribution of the parameters: water temperature decrease in the direction of the Don River ? Taganrog Bay ? the central part of the Sea of Azov ? the area of Kerch. In the fall, observed reverse pattern during the relative calm. Durin...

The work is focused to study the impact of alkaline and metallic deposition on soil phosphatase activity. Area Jelsava - Lubenik with specific alkaline pollutants is one of the most devastated regions of Slovakia. Mining and processing of magnesite is accompanied by enormous emissions of particulate matter of MgO into the air. The heavy metals Cd, Pb, Zn, Mn and Cr are also found in the dust particles. Seven research sites in the agrarian country of the problem area Jel?ava and Luben?k were monitored. Middle Spi? ...

Heavy metal contamination of soils is a long-standing environmental problem in the world due to the increase of anthropogenic impact on landscapes. The proposed paper is the first step of an integrated ecological and geochemical investigation of soil cover of the Baikal region. Study object is the biggest island of the Lake Baikal named Olkhon, which is a part of the Baikal National Park, Russia. The study was performed by the key-site method. The method is based on the revealing an index plot, which characterizes...

The article aims at analysing the content of heavy metals in the soils of two rural administrative units of the municipality of Trzebinia namely Psary and P?oki which are located in the Silesian-Krak?w Upland, in the western part of the Malopolska province, in Poland. The analysis of soil material was based on the determination of granulometric composition of the soil with the use of the Casagrande method modified by Pr?szy?ski (according to the industry standard BN-78/9180-11)[1], soil reaction in 1M KCl and in w...

The abandoned Regoufe mine is situated in Northern Portugal, in the Arouca Geopark. It was exploited for tungsten by underground mining till the 1970s. The tailings were deposited on the ground. The mine was abandoned without any environmental remediation. Mineralization occur in quartz veins, and consists of wolframite, cassiterite, and several sulfides (arsenopyrite, pyrite, sphalerite), bismuthinite and native bismuth (Bi). The present study aims to characterize the acid mine drainages (AMD) and superficial wat...

Generally, waters of Kosovo are enriched in dissolved solids, as the consequence of aquifer lithology and residence time of ground water. The main objective of this study was to perform assessment of heavy metals (Zn, Cu, Fe, Cd, Cr, Ni, Pb and Mn) content and water pollution of River Mirusha (Kosovo) using atomic absorption spectroscopy (AAS) method. Multivariate-statistical analysis approaches were used to determine the anthropogenic and natural contribution of heavy metals. The obtained results show that values...

The article presents the results of geoecological studies of system of human-made lakes Golubye Ozyora, which are located near the Kaliningrad city. The studies were carried out from 2009 to 2016 in the framework of studying of the regional specific features of the formation of geochemical background of water bodies and the impact of the cross-media pollutions. It was in studies revealed the general characterization of lake-bottom sediments and water including the grain-size measurements; the determination of the ...

The presence of metals in aquatic environment is known to cause several health problems to animals and human beings. The levels of heavy metals in wastewater and drinking water must be reduced to the maximum permissible concentration. Clays are abundant and inexpensive layered alumino-silicate minerals that have adsorbent properties. In general, chemical species can interact with clays either by ion exchange or physisorption, both being reversible processes. Among the mineral clays, smectites, especially montmoril...

Molluscs are frequently used as a biomonitor of heavy metals (HMs) pollution of sea water and fresh water. This is because mollusks are very sensitive to sudden change of abiotic factors, they have a high rate of metals bioaccumulation, and there is a correlation between HMs concentration in molluscs and water and bottom sediment. Gastropods are important for biomonitoring of fresh surface waters. It?s well known that gastropods as biomonitor organisms have several advantages such as a reasonable size for analysis...

The bioactive compounds in apples and pears might confer many health protective benefits by improving oxidative stress, on the other hand in case of higher than the admitted values, Heavy metals could affect health. Apple and pears are members of the Rosaceae (Rose) family, known for their pomaceous fruits. The aim of this study was to describe the quality traits, the level of antioxidant activity and polyphenol content of some apples and pears available on the Romanian market as well as the heavy metals concentra...

Analysis of the environment state of oil and gas regions in the Yamalo-Nenets Autonomous District (YaNAO) on the basis of researches in the north of Western Siberia (2003-2016 years) is carried out. The area of research is Nadym-Pur-Taz interfluve, the north of Western Siberia, the Yamal-Nenets Autonomous District. Assessment of environmental components (surface waters, bottom sediments, soils, vegetation, and snow) has been carried out. The studies were conducted at three levels of landscape organization: local (...

In most industrialized countries the problem of air pollution has become a major concern with significant social and political implications, is considered a barrier to economic and social development, drawing attention to these natural resources, materials and energy are not inexhaustible. In the literature are numerous researches on environmental pollution, correlated or not with the consequences on animals and food of animal origin, and not least on health human. In recent times the environmental pollution has d...

In the present study, chemical speciation of heavy metals in bog water and peat deposits, collected from the territory of the Kokchetav mountain group, North Kazakhstan, is described. The purpose was to evaluate quantitatively migration, distribution, and redistribution of the elements by the example of the natural object as a basic tool for the study of geochemical cycles of elements. Studying of the chemical composition of bog and pore water has been carried out, their comparative characteristic was executed, me...

The ecological situation of the Arctic and sub-Arctic areas has been given special attention due to their extremely vulnerable environment. In comparison with other areas, the Arctic remains a clean environment, but heavy metals occupy a special place among priority pollutants. There are a lot of studies of heavy metals in the soil, but not enough information on the joint content and physicochemical factors that affect the metals accumulation in the Arctic soils. Therefore, this paper presents identification of co...